A buddy of mine runs a ring of food trucks, and told me his dream: a stylish lamp that could clearly tell his customers when the kitchen was about to close. Thus, the Last Call Lamp was born!
My goals for this device were twofold: to allow me to *see* the coolant circulating thru my Laser Cutter, and observe its temperature in real time.
The K40 lasers are legendary for their shoddy quality and unreliable components, but as far as I can tell, those might be issues of the past! I’ve been getting excellent results—here’s what’s it took to get there.
A simple representation of the blur effects of various focal lengths. via Reddit
I found a few glass insulators from century-old electrical systems, and turned them into simple, tasteful bedside lamps.